1/4 inch (TRS) Female/Female Keystone Wall Plate Insert
This keystone adapter consists of a 1/4 inch (TRS) female on one end and a 1/4 inch (TRS) female on the other end. It is typically used to snap into a standard keystone opening and connect a 1/4 inch (TRS) cable coming from within the wall to a 1/4 inch (TRS) cable going to a source.